package com.dzu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author by ZhaoDong
 * @Classname ListValueConstraintValidator
 * @Description 自定义校验器
 * @Date 2021/4/16 10:28
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

      private Set<Integer> s = new HashSet();


    // 初始化信息
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if (vals.length != 0 ){
            for (int i : vals){
               s.add(i);
            }
        }

    }

    // 判断是否校验成功
    /**
     *
     * @param integer  需要校验的值
     * @param constraintValidatorContext
     * @return
     */
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return s.contains(integer);
    }
}
